考虑了电压的影响

main.py

@@ -3,40 +3,49 @@ import timeit
 
 
 def egm():
-    cccCount=0
-    for u_bar in range(1):
-        u_ph = math.sqrt(1) * 750 * math.cos(2 * math.pi / 3 * 0) / 1.732  # 运行相电压
-        h_whole = 140  # 杆塔全高
-        insulator_c_len = 6.8  # 串子绝缘长度
-        string_c_len = 9.2
-        string_g_len = 0.5
-        dgc = -2.9  # 导地线水平距离
-        vertical_dgc = 2.7  # 导地线挂点垂直距离
-        h_g_avr_sag = 11.67 * 2 / 3
-        h_c_avr_sag = (14.43 - 11.67) * 2 / 3
-        h_gav = h_whole - string_g_len - h_g_avr_sag  # 地线对地平均高
-        h_cav = h_gav - string_c_len - vertical_dgc - h_c_avr_sag  # 导线对地平均高
-        shield_angle = math.atan(dgc / (vertical_dgc + string_c_len)) * 180 / math.pi
-        print(f"保护角{shield_angle:.3f}°")
+    # TODO to be removed
+    cccCount = 0
+    avr_n_sf = 0  # 考虑电压的影响
+    voltage_n = 3  # 工作电压分成多少份来计算
+    ng = func_ng(20)
+    h_whole = 140  # 杆塔全高
+    insulator_c_len = 6.8  # 串子绝缘长度
+    string_c_len = 9.2
+    string_g_len = 0.5
+    dgc = -0.9  # 导地线水平距离
+    vertical_dgc = 2.7  # 导地线挂点垂直距离
+    h_g_avr_sag = 11.67 * 2 / 3
+    h_c_avr_sag = (14.43 - 11.67) * 2 / 3
+    h_gav = h_whole - string_g_len - h_g_avr_sag  # 地线对地平均高
+    h_cav = h_gav - string_c_len - vertical_dgc - h_c_avr_sag  # 导线对地平均高
+    shield_angle = math.atan(dgc / (vertical_dgc + string_c_len)) * 180 / math.pi
+    print(f"保护角{shield_angle:.3f}°")
+    for u_bar in range(voltage_n):
+        u_ph = (
+            math.sqrt(2) * 750 * math.cos(2 * math.pi / voltage_n * u_bar) / 1.732
+        )  # 运行相电压
         # 迭代法计算最大电流
         i_max = 0
         i_min = min_i(insulator_c_len, u_ph / 1.732)
         _min_i = i_min  # 尝试的最小电流
         _max_i = 200  # 尝试的最大电流
-        #TODO remove it
+        # TODO remove it
         cad = Draw()
         cad.draw(i_min, u_ph, h_gav, h_cav, dgc, 2)
         for i_bar in np.linspace(_min_i, _max_i, int((_max_i - _min_i) / 0.1)):  # 雷电流
-            print(f"尝试计算电流为{i_bar:.2f}")
+            # print(f"尝试计算电流为{i_bar:.2f}")
             rs = rs_fun(i_bar)
             rc = rc_fun(i_bar, u_ph)
             rg = rg_fun(i_bar, h_cav)
             #######
-            cccCount+=1
-            if cccCount%30==0:
+            cccCount += 1
+            if cccCount % 30 == 0:
                 import core
+
                 core.gMSP.add_circle((0, h_gav), rs)
-                core.gMSP.add_circle((dgc, h_cav), rc_fun(i_bar, -u_ph),dxfattribs={"color": 4})
+                core.gMSP.add_circle(
+                    (dgc, h_cav), rc_fun(i_bar, -u_ph), dxfattribs={"color": 4}
+                )
                 core.gMSP.add_circle((dgc, h_cav), rc)
             #######
             circle_intersection = solve_circle_intersection(rs, rc, h_gav, h_cav, dgc)
@@ -108,8 +117,12 @@ def egm():
                 / 2
                 * d_curt
             )
-        n_sf = 2 * 2.7 / 10 * calculus  # 跳闸率
-        print(f"跳闸率是{n_sf:.6}")
+        n_sf = (
+            2 * ng / 10 * calculus
+        )  # 跳闸率 利用Q╱GDW 11452-2015 架空输电线路防雷导则的公式 Ng=0.023*Td^(1.3) 20天雷暴日地闪密度为1.13
+        avr_n_sf += n_sf / voltage_n
+        print(f"工作电压为{u_ph:.2f}kV时,跳闸率是{n_sf:.6}")
+    print(f"跳闸率是{avr_n_sf:.6}")
 
 
 def speed():